[Amps] Chinese 15KV 2A rectifier modules?

[Gary K9GS]

OK...send me one, CBA, and I'll X-Ray and scan the results.


On 11/6/2013 9:56 PM, Jim W7RY wrote:
> Get someone to X-ray them and see whats in there.
>
> Large or small body diode and how many.
>
> 73
> Jim W7RY
>
>
> On 11/6/2013 6:09 PM, Jim Barber wrote:
>> Good idea, thanks.
>> I have a variable DC supply and a handful of low-value, high-wattage 
>> resistors that should do the trick.
>>
>> 73,
>> Jim N7CXI
>>
>> On 11/6/2013 6:02 PM, Dr. David Kirkby wrote:
>>> You could do a reasonable job of seeing how they handle the current
>>> using a low voltage DC supply, since they are only going to get hot
>>> when conducting, and you can force them to conduct without having a
>>> high voltage supply, it should be easy to see how they handle 2A.
>>>
>>> Of course, in normal use the current waveform would not be constant,
>>> but if they are rated for 2A forward current, testing them is probably
>>> the best way.
>>>
>>> Dave
>>>
>>> On 7 November 2013 00:37, Jim Barber <audioguy at q.com> wrote:
>>>> Has anyone had any experience (good or bad) using the Chinese 15KV, 2A
>>>> rectifier modules that were selling on eBay a while back? The part 
>>>> number
>>>> printed on the side is PRHVP2A-20 .
>>>>
>>>> I bought a handful a year or so ago when I was building my hi-pot 
>>>> tester.
>>>> They seem to handle high voltages without issue, (my hi-pot works 
>>>> fine past
>>>> 10KV) but seem awfully small for the 2A current rating.
>>>>
>>>> The reason I ask is because I've been contemplating building yet 
>>>> another
>>>> 6A10 rectifier board for a single 8877 I'm working on. The modules 
>>>> would be
>>>> easier/smaller, but since the encapsulated part is only (roughly) 
>>>> 1.5" x
>>>> .5", I'm thinking the ratings may be too good to be true.
>>>>
>>>> Thanks,
>>>> Jim N7CXI
>>>>
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>>>
>>
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>
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-- 


73,

Gary K9GS

Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com
CW Ops #1032   http://www.cwops.org

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